diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 183b652e..4d6ff07d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         # minimum supported rust version
-        rust: [stable, beta, nightly, 1.68.0]
+        rust: [stable, beta, nightly, 1.72.0]
         on:
           - { os: ubuntu-latest, target: x86_64-unknown-linux-gnu }
           - { os: macos-latest, target: x86_64-apple-darwin }